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The Trachtenberg Speed System of Basic Mathematics by Jakow Trachtenberg, A. Cutler (Translator), R. McShane (Translator), was published by Doubleday and Company, Inc. Garden City, New York in 1960. [1] The book contains specific algebraic explanations for each of the above operations. Most of the information in this article is from the ...
Mathletics is an online educational website which launched in 2005. [1] The website operates through a subscription model, offering access at an individual and school level. Online users, known as 'Mathletes', have access to math quizzes and challenges, and can participate in a real-time networked competition known as 'Live Mathletics'. [2]
Its website also includes supplementary practice exercises and materials for educators. It has produced over 10,000 video lessons [6] teaching a wide spectrum of academic subjects, including mathematics, sciences, literature, history, and computer science. All resources are available for free to users of the website and application.
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The contests involve mental maths problems appropriate for each age group, which test the accuracy and speed of the students as they compete against other students across the globe. The simple but innovative idea of combining the aspects of multi-player online gaming with maths problems has contributed to its popularity around the world.
Mental calculation is said to improve mental capability, increases speed of response, memory power, and concentration power. Many veteran and prolific abacus users in China, Japan, South Korea, and others who use the abacus daily, naturally tend to not use the abacus any more, but perform calculations by visualizing the abacus.